CN103076019B - A kind of guidance path road conditions light pearl system and method based on real-time road - Google Patents
A kind of guidance path road conditions light pearl system and method based on real-time road Download PDFInfo
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- CN103076019B CN103076019B CN201310049258.6A CN201310049258A CN103076019B CN 103076019 B CN103076019 B CN 103076019B CN 201310049258 A CN201310049258 A CN 201310049258A CN 103076019 B CN103076019 B CN 103076019B
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Abstract
The invention discloses a kind of guidance path road conditions light pearl system and method based on real-time road, present system includes turn-by-turn navigation instrument, current location acquisition device, equipment GPS hardware module, residue section each position code starting point is to section starting point distance acquisition device, each shape point in section calculates device to section starting point distance, the calculating device of position code corresponding to each point, timer access real-time road acquiring unit, real-time road condition updating module, real-time update position code correspondence highway condition displaying device, solve the limitation showing guidance path traffic information that conventional navigation software cannot be the most detailed, and improve user definition and initiative during navigation driving.
Description
Technical field
The present invention relates to automobile or the mobile device navigation field of real-time road, relate more specifically to use real-time road to lead
The guidance path road conditions light pearl system and method for the technology of bit path, manifestation mode and interactive mode.
Background technology
The traffic of a Chinese city especially tier 2 cities is just becoming more and more crowded, and government implements various driving
Scheme (such as Pekinese's restricted driving measure), although make the present situation blocked up obtain certain alleviation, but cause effect owing to radix is huge
Fruit is had a greatly reduced quality, especially in peak time morning and evening.Under such objective condition, car owner is expert at Herba Plantaginis, can be by various navigation
Equipment carries out path planning, then navigates according to the road cooked up.
By selecting traffic path with upper type and navigating according to route, subject matter has following 2 points:
1. information real-time is poor, and the timeliness phase is short, and current various prompting modes use wide regional coverage to report the most substantially, and road conditions are believed
As time goes on or accident cease that to be delivered to, from information acquisition, the time cycle that information issues longer, and traffic
Generation can have a greater change, cause select a path not suitable route；
2. on the path of planning, the simplest navigation direction information does not but have traffic information, and car owner is in the process of driving
In, it is impossible in real time and get information about the traffic information in current path driving front, can only blindly be in dependence navigation road
Footpath driving states, Consumer's Experience and interactivity are poor.
Based on disadvantages described above, real-time road condition information, by research and development, is incorporated in product design by domestic navigator company,
And real-time road condition information is shown on map as a kind of map layer, car owner can be by selecting display real-time road figure layer
With check the mode of front road conditions light beam, arrive the purpose understanding current real-time road condition information.Market based on this technology is
There is product such as: navigation dog.Company: Tengruiwanli IT Tech Co., Ltd., Beijing.
Navigation dog software product solves cannot be for self to check path congestion in current car owner's driving procedure
Problem.Product is superimposed upon on map by real-time road, utilizes the form of red, yellow, and green line segment to illustrate on path planning
Traffic behavior.Car owner can select to change path voluntarily, and navigator recalculates path, it is achieved the side quickly arrived at
Formula.But, the subject matter of this kind of technical approach existence has:
1. in whole device screen map, by the way of figure layer, show the traffic information of all maps, result in information
Measuring excessive, information interactive process is long, draws inefficient simultaneously, final ageing decline.
2. in whole screen viewing area, loading real-time road figure layer, cause car owner's field of view information chaotic, information is unclear
Chu, particularly in driving navigation procedure, car owner needs driving to drive, and energy the most should not be divided to carry out such information and divide
Distinguish.
Summary of the invention
The deficiency existed according to prior art, the invention provides a kind of guidance path road conditions light pearl based on real-time road
System and method, solve the limitation showing guidance path traffic information that conventional navigation software cannot be the most detailed,
And improve user definition and initiative during navigation driving.
According to an aspect of the present invention, it is provided that a kind of guidance path road conditions light pearl method based on real-time road, described
Method includes:
A. current positional information and turn-by-turn navigation instrument circuit are obtained；
B. the position code corresponding to each shape point in residue section is calculated；
C. real-time road condition information is obtained；
D. real-time update position code correspondence road conditions show road conditions.
Further, described step a is further comprising the steps of:
Determine and obtain the information of current location；
And determine the current location circuit to target location.
Further, described step b is further comprising the steps of:
Obtain each position code starting point distance to section starting point in residue section；
Calculate each shape point distance to section starting point in section；
Calculate the position code corresponding to each shape point.
Further, described step c is further comprising the steps of:
Access real-time road regularly also obtains real-time road condition information；
The real-time road condition information real-time update road conditions obtained according to timer access real-time road；
The real-time road condition information of acquisition is sent to long-range road conditions server.
Further, described step d is further comprising the steps of:
Corresponding real-time road is found according to position code；
Display real-time road corresponding to position code.
According to another aspect of the present invention, it is provided that a kind of guidance path road conditions light pearl system based on real-time road, bag
Vinculum road navigator transmitting line navigation information, also includes:
Current location acquisition device, is used for obtaining current location information；
Equipment GPS hardware module, for receiving the current location information that current location acquisition device obtains；Obtain is current
Positional information passes to turn-by-turn navigation instrument, is used for carrying out with turn-by-turn navigation information mating to show from place, truck position navigation circuit
Position and navigation report information.
Residue section each position code starting point, to section starting point distance acquisition device, is used for receiving current location acquisition device
The current location information obtained, and obtain residue section each position code starting point according to turn-by-turn navigation instrument transmitting line navigation information
To section starting point distance；
Each shape point in section calculates device to section starting point distance, for according to residue section each position code starting point
The every of section is calculated to section starting point distance to residue section each position code starting point that starting point distance acquisition device in section obtains
Individual shape point is to section starting point distance；
The calculating device of position code corresponding to each point, based on each shape point according to section to section starting point distance
Calculate device and be calculated each shape point in section to position code corresponding to the section starting point distance each point of calculating；
Timer access real-time road acquiring unit, is used for the access real-time road of timing and obtains real-time road condition information；
Real-time road condition updating module, real for the real-time road condition information obtained according to timer access real-time road acquiring unit
Shi Gengxin road conditions；
Real-time update position code correspondence highway condition displaying device, based on the calculating device according to position code corresponding to each point
The position code corresponding to each point obtained and the road conditions display real-time update position of the fast real-time update of real-time road condition updating mould
The road conditions that code is corresponding.
As preferably, also include device hardware communication module and long-range road conditions server, described timer access real-time road
Timing is carried out communication, to obtain current residual navigation circuit by hardware communication module and long-range road conditions server by acquiring unit
Real-time road condition information；Remotely road conditions server is for gathering the real-time road condition information of urban road, and provides for navigation terminal
Traffic information data, services.
Employing technical solution of the present invention has the following advantages, first, by only identifying traffic information on the path of planning,
The quantity of information solving the traffic information showing all maps in whole device screen map is excessive, information interactive process compares
Grow, draw inefficient problem.And when navigation, user obtains confusion and the blindness of traffic information, by only obtaining
With display current navigation path and the mode of periphery traffic information, and real-time update traffic information, improve acquisition traffic information
Accuracy, ageing, the dynamic road condition information making navigation way is very clear, and user can be according to each road of current path
Detailed traffic information in section, takes corresponding action, evades and blocking up.
Accompanying drawing explanation
Fig. 1 is a kind of guidance path road conditions light pearl method flow diagram based on real-time road of the present invention.
Fig. 2 is a kind of guidance path road conditions light pearl system embodiment connection figure based on real-time road of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of guidance path road conditions light pearl method based on real-time road, step and algorithm: including:
A. current positional information and turn-by-turn navigation instrument circuit are obtained；
B. the position code corresponding to each shape point in residue section is calculated；
C. real-time road condition information is obtained；
D. real-time update position code correspondence road conditions show road conditions.
Wherein, described step a is further comprising the steps of:
-determine and obtain the information of current location；
-and determine the current location circuit to target location.
Wherein, described step b is further comprising the steps of:
-obtain each position code starting point remaining section to the distance of section starting point；
Each shape point in-calculating section is to the distance of section starting point；
-calculate the position code corresponding to each shape point.
Wherein, described step c is further comprising the steps of:
-timing access real-time road and obtain real-time road condition information；
-according to timer access real-time road obtain real-time road condition information real-time update road conditions；
-real-time road condition information of acquisition is sent to long-range road conditions server.
Wherein, described step d is further comprising the steps of:
-find corresponding real-time road according to position code；
-display real-time road corresponding to position code.
If: each section total length of path AB is SL；The shape point collection that each section of path AB is corresponding is combined into
SP{1..i}；Position code (LocationCode) collection that each section of path AB is corresponding is combined into LC{0..j}
Wherein, section is navigational logic concept, and a paths is divided into multiple section by each navigation turning point path；
Shape point is the physical location point on route, can draw out a complete paths by shape point；Section is not concrete
It is physically present, but the shape point included in a section can be calculated by mapping relations；Position code is for do physically
Region divide concept, comprise the length of the part circuit that path falls in this region and average running time, according to
Length and average running time can calculate average speed.
Labelling: the number of section shape point is SPC, adjacent two shape point serial numbers i in section that labelling is traveling through,
j；Section position code number is LCC；Adjacent position code serial number m in section that labelling is traveling through, n；Each two section shape
Distance between point is PLij；The distance of shape point distance section, each section starting point is SPLi；Each position code district, each section
The a length of LCL of the current path that territory is comprisedm；The each position code in each section is LCS to the distance of section starting pointm；Each road
The corresponding position code of section shape point is PLCi；
Then according to the correspondence position code core algorithm of each shape point in the current real-time road generation each section of path AB such as
Under:
1) circulation section position code set calculates each position code starting point distance LCS to section starting point；
1a) initialize m=0, n=0, LCSm=0；
1b) calculate the starting point distance LCSn=LCS to section starting point of section position code n=m+1m + LCLm；
If 1c) m < LCC-2 makes m be incremented by, proceeding to step 1b, otherwise end step 1 enters step 2.
2) circulation section shape point set calculates distance SPL of its distance section starting point；
2a) initialize shape point i=0, first section, j=0, SPLi=0, PLCi =LC 0；
2b) j=i+1, according to the calculation of longitude & latitude of section shape point adjacent distance between two points PLij；
2c) calculate distance SPL of section shape point j distance section starting pointj= SPLi + PLij；Circulation section position code
Set calculates position code PLC that path shape point j is correspondingj；
2c1) initialize m=0；
If 2c2) m≤LCC-1 and SPLj≥ LCSmAnd SPLj≤ LCSm + LCLm, then PLC is madej =LCm, no
Then m is incremented by, and reenters step 2c2;
If 2d) i < SPC-2 makes i be incremented by, proceed to step 2b, otherwise end step 2.
A) computing formula of each average link speed:
Section is time-consuming=(section distance ÷ average link speed) × (1+section attribute weights)
" urban road traffic congestion assessment indicator system " Press release promulgated according to country, the weighted value of section attribute divides
It is not: through street-0；Trunk roads-0；Secondary distributor road-0.1；Branch road-0.2
Segmental averaging speed=round [】
B) average speed and the mapping relations of speed class:
Route average speed is mapped as route exponential quantity by mapping relations, corresponding to the red, yellow, and green in standard real-time road
Speed refine, the threshold range of route index is 1 ~ 10, maps the red, yellow, and green in coupling standard real-time road simultaneously,
Mapping relations such as following table:
A kind of guidance path road conditions light pearl system based on real-time road, as in figure 2 it is shown, include that turn-by-turn navigation instrument sends line
Road navigation information, also includes:
Current location acquisition device, is used for obtaining current location information；
Equipment GPS hardware module, for receiving the current location information that current location acquisition device obtains；Obtain is current
Positional information passes to turn-by-turn navigation instrument, is used for carrying out with turn-by-turn navigation information mating to show from place, truck position navigation circuit
Position and navigation report information.
Residue section each position code starting point, to section starting point distance acquisition device, is used for receiving current location acquisition device
The current location information obtained, and obtain residue section each position code starting point according to turn-by-turn navigation instrument transmitting line navigation information
To section starting point distance；
Each shape point in section calculates device to section starting point distance, for according to residue section each position code starting point
The every of section is calculated to section starting point distance to residue section each position code starting point that starting point distance acquisition device in section obtains
Individual shape point is to section starting point distance；
The calculating device of position code corresponding to each point, based on each shape point according to section to section starting point distance
Calculate device and be calculated each shape point in section to position code corresponding to the section starting point distance each point of calculating；
Timer access real-time road acquiring unit, is used for the access real-time road of timing and obtains real-time road condition information；
Real-time road condition updating module, real for the real-time road condition information obtained according to timer access real-time road acquiring unit
Shi Gengxin road conditions；
Real-time update position code correspondence highway condition displaying device, based on the calculating device according to position code corresponding to each point
The position code corresponding to each point obtained and the road conditions display real-time update position of the fast real-time update of real-time road condition updating mould
The road conditions that code is corresponding.
Also including device hardware communication module and long-range road conditions server, described timer access real-time road acquiring unit will
Timing carries out communication, to obtain the real-time road of current residual navigation circuit by hardware communication module and long-range road conditions server
Information.Remotely road conditions server is for gathering the real-time road condition information of urban road, and provides traffic information number for navigation terminal
According to service.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, it is possible to realize the present invention in other specific forms.Therefore, no matter
From the point of view of which point, all should regard embodiment as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all by fall in the implication of equivalency and scope of claim
Change is included in the present invention.Should not be considered as limiting involved claim by any reference in claim.This
Outward, it is clear that " including ", a word was not excluded for other unit or step, and odd number is not excluded for plural number.In system claims, statement is multiple
Unit or device can also be realized by software or hardware by a unit or device.
Claims (7)
1. a guidance path road conditions light pearl method based on real-time road, it is characterised in that described method comprises the steps:
A. current positional information and turn-by-turn navigation instrument circuit are obtained；
B. the position code corresponding to each shape point in residue section is calculated；
C. real-time road condition information is obtained；
D. real-time update position code correspondence road conditions show road conditions；
Described step b is further comprising the steps of:
Obtain each position code starting point distance to section starting point in residue section；
Calculate each shape point distance to section starting point in section；
Calculate the position code corresponding to each shape point；
Described step c is further comprising the steps of:
Access real-time road regularly also obtains real-time road condition information；
The real-time road condition information real-time update road conditions obtained according to timer access real-time road；
The real-time road condition information of acquisition is sent to long-range road conditions server.
Guidance path road conditions light pearl method based on real-time road the most according to claim 1, it is characterised in that described step
Rapid a is further comprising the steps of:
Determine and obtain the information of current location；
And determine the current location circuit to target location.
Guidance path road conditions light pearl method based on real-time road the most according to claim 1, it is characterised in that described step
Rapid d is further comprising the steps of:
Corresponding real-time road is found according to position code；
Display real-time road corresponding to position code.
4. a guidance path road conditions light pearl system based on real-time road, it includes turn-by-turn navigation instrument, leads for transmitting line
Boat information, it is characterised in that it also includes:
Current location acquisition device, is used for obtaining current location information；
Equipment GPS hardware module, for receiving the current location information that current location acquisition device obtains；The current location obtained
Information passes to turn-by-turn navigation instrument, is used for carrying out with turn-by-turn navigation information mating to show from the position of place, truck position navigation circuit
With navigation report information；
Residue section each position code starting point, to section starting point distance acquisition device, is used for receiving current location acquisition device and obtains
Current location information, and obtain residue section each position code starting point to road according to turn-by-turn navigation instrument transmitting line navigation information
Duan Qidian distance；
Each shape point in section calculates device to section starting point distance, for according to remaining section each position code starting point to road
Residue section each position code starting point that Duan Qidian distance acquisition device obtains calculates each shape in section to section starting point distance
Shape point is to section starting point distance；
The calculating device of position code corresponding to each point, calculates dress for each shape point according to section to section starting point distance
Put each shape point being calculated section and calculate position code corresponding to each point to section starting point distance；
Timer access real-time road acquiring unit, is used for the access real-time road of timing and obtains real-time road condition information；
Real-time road condition updating module, the real-time road condition information for obtaining according to timer access real-time road acquiring unit is real-time the most more
New road conditions；
Real-time update position code correspondence highway condition displaying device, for calculating according to the calculating device of position code corresponding to each point
The position code corresponding to each point arrived and the road conditions display real-time update position code pair of the fast real-time update of real-time road condition updating mould
The road conditions answered.
A kind of guidance path road conditions light pearl system based on real-time road the most according to claim 4, it is characterised in that its
Also include: device hardware communication module；And long-range road conditions server.
A kind of guidance path road conditions light pearl system based on real-time road the most according to claim 5, it is characterised in that institute
State timer access real-time road acquiring unit and timing is carried out communication, to obtain by hardware communication module and long-range road conditions server
Take the real-time road condition information of current residual navigation circuit.
A kind of guidance path road conditions light pearl system based on real-time road the most according to claim 5, it is characterised in that institute
State long-range road conditions server for gathering the real-time road condition information of urban road, and provide traffic information data clothes for navigation terminal
Business.
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| CN104348864A (en) * | 2013-07-31 | 2015-02-11 | 上海博泰悦臻电子设备制造有限公司 | Road condition data downloading method and apparatus of vehicle-mounted navigation system, and vehicle-mounted device |
| CN106500709A (en) * | 2016-09-29 | 2017-03-15 | 百度在线网络技术（北京）有限公司 | The methods of exhibiting and device of traffic information |
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| CN102288188A (en) * | 2011-03-31 | 2011-12-21 | 北京腾瑞万里信息技术有限公司 | Route planning method and device for real-time traffic |
| CN102607584A (en) * | 2012-03-19 | 2012-07-25 | 中国联合网络通信集团有限公司 | Driving route navigation method, equipment and system |
| CN102679998A (en) * | 2012-06-12 | 2012-09-19 | 上海雷腾软件有限公司 | Running index algorithm, route planning method and navigation method |
| CN102749087A (en) * | 2012-07-13 | 2012-10-24 | 北京畅易行科技有限公司 | Navigation information prompting method and device based on line |
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| JP4357934B2 (en) * | 2003-11-14 | 2009-11-04 | アルパイン株式会社 | Navigation device and alternative route presentation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102288188A (en) * | 2011-03-31 | 2011-12-21 | 北京腾瑞万里信息技术有限公司 | Route planning method and device for real-time traffic |
| CN102607584A (en) * | 2012-03-19 | 2012-07-25 | 中国联合网络通信集团有限公司 | Driving route navigation method, equipment and system |
| CN102679998A (en) * | 2012-06-12 | 2012-09-19 | 上海雷腾软件有限公司 | Running index algorithm, route planning method and navigation method |
| CN102749087A (en) * | 2012-07-13 | 2012-10-24 | 北京畅易行科技有限公司 | Navigation information prompting method and device based on line |
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